David J. Malan

CS50x

12 lectures · 26h · Introductory12 lectures · 26h · Introductory · English

CS50x — twelve lectures from Harvard, 2025.CS50x 2025. Twelve lectures from Scratch and C to arrays, algorithms, memory, data structures, Python, SQL, HTML, CSS, JavaScript and Flask, with a lecture on artificial intelligence.

Start

Lectures

CS50x · 12 lectures

Lecture · 1h 58m0: Scratch

Lecture · 2h 34m1: C

Lecture · 2h 10m2: Arrays

Lecture · 2h 06m3: Algorithms

Lecture · 2h 26m4: Memory

Lecture · 2h 03m5: Data Structures

Lecture · 2h 11m6: Python

Lecture · 56mArtificial Intelligence

Lecture · 2h 37m7: SQL

Lecture · 3h 14m8: HTML, CSS, JavaScript

Lecture · 3h 03m9: Flask

Lecture · 57m10: The End

More from David J. Malan

CS50 for Business: Computer Science for Business